I am 16 years old and dropped of high school to get a ged and go to college. These dudes put me in a precalculus class. The last math class i took was geometry. I am struggling on the first day and its getting worse. My second day is today and I have no idea how to graph these complex functions. I downloded desmos to graph the funtions but I am still lost. Help.
Local extrema’s in a graph, are the points where, a tangent at that point will be parallel to x-axis. In other words, we can say, that the slope at the point is zero.
Now, how do we find the points where the slope is zero in a graph?
Mathematically, we differentiate the equation of the graph and equate it to zero.
Graphically, it will be the top or bottom of the wave where the graphs turn. Like the points P and Q as shown below for the function f(x) = x3-6x2-15x+20.
Also, from the graph we can find the co-ordinate of...
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